Resumen del contenido incluido en la página 1
Toshiba DOCSIS Cable Modem
Owner’s Manual
PCX1000/PCX1100
Jan. 2000
Resumen del contenido incluido en la página 2
Copyright 2000, Toshiba Corporation. All rights reserved. This manual may not be reproduced, in part or in whole, without the permission of Toshiba Corporation. The content of this manual is subject to change without notice in the future. Toshiba Corporation assumes no liability for damages resulting from the use of this product or the information contained in this manual.
Resumen del contenido incluido en la página 3
Table of Contents Congratulations on Your Purchase 2 Contact Information 2 Support Information 2 Sales Information 2 Web Page 2 Importa
Resumen del contenido incluido en la página 4
Congratulations on Your Purchase! Your new Toshiba DOCSIS Cable Modem will provide you with high-speed access to the Internet through your cable TV (CATV) network- accesses at a fraction of the time it takes traditional telephone modems. In addition, your service will be always connected. Those two features give you the information you want, when you want it … and your telephone line is kept free. Contact information Support Information Phone: (949) 583-3223 Fax: (949) 583-3597 e-mail: cablesupp
Resumen del contenido incluido en la página 5
Important Rules for Safe Operation In addition to the careful attention devoted to quality standards in the manufacture of your Toshiba DOCSIS Cable Modem, safety is a major factor in the design of every product. However, safety is your responsibility, too. This section lists important information that will help assure your enjoyment and proper use of the Cable Modem and accessory equipment. Please read them carefully before operating and using your modem. Installation Read and Follow Instructio
Resumen del contenido incluido en la página 6
Do Not Use Near Water - Do not use this product near water - for example, near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool, and the like. Do Not Place Near High Temperature Source - for example near a steamer, Kitchen range fire, and the like. Use Caution in Mounting This Product - Do not place this product on an unstable surface or support. The product may fall, causing serious injury to a child or adult, as well as serious damage to the product
Resumen del contenido incluido en la página 7
Service Do Not Remove Covers - Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. Unplug this product from the wall outlet carefully, as the AC adaptor may be hot. Refer Servicing to Qualified Service Personnel Under the Conditions Listed Below ♦ When the power supply cord or plug is damaged. ♦ If liquid has been spilled or objects have fallen into the product. ♦
Resumen del contenido incluido en la página 8
Overview The modem provides you with high-speed data communications over the television cable network by following the widely accepted DOCSIS/MCNS standards being developed by the Multimedia Cable Network System (MCNS) consortium. Those standards offer a combination of high performance and interoperability among many of the cable system operators in North America. How does a cable modem work? As you know, digital signals are represented by high and low electrical voltage levels. And how fast the
Resumen del contenido incluido en la página 9
What is DOCSIS? Data Over Cable Service Interface Specifications. DOCSIS defines interface requirements for cable modems involved in high-speed data distribution over a cable television network. On November 17, 1997, Cable Television Laboratories, Inc. (Cable Labs) and its members established a formal path of certification for cable modem equipment suppliers to obtain an interoperability seal for their products based on the DOCSIS specification. This certification process provides cable modem eq
Resumen del contenido incluido en la página 10
Getting Started What’s in the Box? Make sure that you’ve received the following items. If any item is missing or damaged, contact your dealer immediately. ♦ Toshiba DOCSIS Cable Modem ♦ Ethernet Cable (6feet) ♦ AC Adaptor (AD-121AN) ♦ Stand ♦ This manual Front Panel LEDs Connectors and Switches Refer to the back cover for cable modem installation instructions. 8
Resumen del contenido incluido en la página 11
Diagnostics The Cable Modem has five status LEDs for diagnostics. You can monitor the LEDs during installation and when you are using. Table 1 shows Cable Modem status LEDs and identifies what each LED light means. This table will help you to diagnose problems. Function Color Definition Power Green - dark for power off - solid for power on Cable Green - dark for no downstream RF carrier present or power off - flashing slowly for downstream RF carrier present and ranging in progress - flashing fa
Resumen del contenido incluido en la página 12
How to Use the Stand Please attach the stand to the bottom of the cable modem 10
Resumen del contenido incluido en la página 13
Specifications The Toshiba DOCSIS Cable Modem is DOCSIS/MCNS compliant. Receiver Physical Speed: 30 Mbps (64QAM) / 43 Mbps (256QAM) Symbol rate: 5.056941 Msym/sec (64QAM); 5.360537 Msym/sec (256QAM) Demodulation: 64QAM / 256QAM Bandwidth: 6 MHz Frequency range: 88 MHz to 860 MHz (edge-to-edge) in 62.5 kHz steps Input signal level: -15dBmV to +15dBmV Input impedance: 75 ohms Return loss: > 6 dB from 88 MHz to 860 MHz Transmitter Physical Speed: 320,640,1280,2560,5120Kbps(QPSK) 640,1280,2560,5120,
Resumen del contenido incluido en la página 14
Q & A Q: How to connect the cable modem to the hub/switch ? A: Cable Modem is connected to the uplink port on the hub/switch. Or use cross-over Ethernet cable to connect the normal port on the hub/switch. Please make sure that hub/switch supports 10BASE-T. Cable modem supports only 10BASE-T. PC PC Cross-over Cable or connect to uplink port 10BASE-T Cable TV Coax HUB/ Switch Cable Modem Q: Do I need to turn off the cable modem ? A: You can leave cable modem on all the time. Q: How can I connect m
Resumen del contenido incluido en la página 15
FCC Compliance This Toshiba DOCSIS Cable Modem has been tested and found to comply with the limits for a Class B personal computer and peripherals, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. H
Resumen del contenido incluido en la página 16
Glossary 10BASE-T Unshielded, twisted pair cable with an RJ-45 connector, used with Ethernet LAN. “10” indicates the speed (10 Mbps), “Base” refers to baseband technology, and “T” means twisted pair cable. Cable TV Coax Cable that allows wide bandwidth transmission over long distances. Coaxial cable (coax) comprises an inner conductor surrounded by insulation. An outer conductor wraps around the insulation, which, in turn, is covered by an outer plastic covering. Ethernet card A plug-in circuit
Resumen del contenido incluido en la página 17
Modem registration The process the Toshiba Cable Modem uses to make itself known to the headend equipment. Once authorized by the router, the modem is assigned upstream and downstream channels for data communication. Network driver A (software) file included with the Ethernet card. The file is loaded on the computer to allow the computer to recognize the Ethernet card. See Ethernet Card. RJ-45 Connector on the Toshiba Cable Modem, labeled 10BASE-T, that connects the modem to a computer or to a H
Resumen del contenido incluido en la página 18
Installing the Cable Modem To avoid thermal problems, allow at least one inch spacing between the ventilation holes and any object to either side of the unit. It's best to have no obstructions on top of the unit. The top of the unit should be at least two inches from any obstruction. Connect the cable modem using the following steps, referring to the figure below. 1. Connect the Cable TV coax to the input connector of a signal splitter. 2. Connect a coaxial cable from one of the output connector
